103997140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{399989}}^1$

素因数の和:400011

約数の個数: 24

約数和(自身を含む): 235194120

約数和(自身を除く): 131196980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 399989, 799978, 1599956, 1999945, 3999890, 5199857, 7999780, 10399714, 20799428, 25999285, 51998570, 103997140]

約数ペア:

[(1, 103997140), (2, 51998570), (4, 25999285), (5, 20799428), (10, 10399714), (13, 7999780), (20, 5199857), (26, 3999890), (52, 1999945), (65, 1599956), (130, 799978), (260, 399989)]